Get Quick start and Tips -> Help in the event of a breakdown Guide for Mercedes C Class 4 Door 2023

Quick start and Tips

the vehicle brakes are applied heavily from a

speed of more than 70 km/h to a standstill.

Help in the event of a breakdown

Activating/deactivating the hazard warning lights

Do not remove the ﬁre extinguisher while

driving.

When you pull away again, the hazard warning

light system will switch oﬀ automatically at

approximately 10 km/h. You can also switch oﬀ

the hazard warning light system using the warning

lamp button.

Removing the ﬁre extinguisher

WARNING Risk of accident due to an

incorrectly secured ﬁre extinguisher in the

driver's footwell

Leꢀ-hand drive vehicle: pull tab 1 upwards.

Right-hand drive vehicle: pull tab 1 down-

wards.

A ﬁre extinguisher may impede pedal travel or

block a depressed pedal.

This jeopardises the operating and road safety

of the vehicle.

Remove ﬁre extinguisher 2.

The ﬁre extinguisher can be ﬂung around and

Press button 1.

Removing the safety vest

injure the driver or other vehicle occupants.

The hazard warning lights will switch on automati-

cally if:

Always store and secure the ﬁre extin-

guisher in the bracket.

the airbag has been deployed.

F206 0105 02

Quick start and Tips

Slide the safety vest bag 1 along the lower

edge of the armrest into the safety vest com-

partment. Make sure that the loop 2 hangs

out so that it is easy to reach.

Do not tumble dry

Do not dry clean

Class 2 safety vest

The requirements deﬁned by the legal standard

are only fulﬁlled if the safety vest is the correct

size and is fully closed.

Remove the packaging ﬁlm before sliding it

into the safety vest compartment for a new

safety vest. Otherwise, it may cause uninten-

tional slipping or make removing diﬃcult.

Observe the legal requirements in the individ-

ual countries.

Replace the safety vest in the following cases:

The reﬂective strips are damaged or dirty

The maximum permissible number of washes

is exceeded

The ﬂuorescence property decreases, e.g. due

to permanent exposure to sunlight.

Dispose of the safety vest in an environmentally

friendly way:

There is a high-visibility waistcoat compartment

on the door shelves of all doors for storing a high-

visibility waistcoat.

Please contact your local waste disposal com-

pany.

To remove: pull out safety vest bag 1 by loop

Open the safety vest bag 1 and pull out the

safety vest.

Maximum number of washes

Maximum wash temperature

Do not bleach

Replace: Fold up the safety vest, roll it up and

place it in the safety vest 1.

Do not iron

F206 0105 02

Quick start and Tips

Removing the warning triangle

Further information can be obtained at https://

www.mercedes-benz.de/qr-code

Starting assistance and charging the 12 V battery

Preparing starting assistance/charging

Secure the vehicle by applying the electric

parking brake.

Switch the transmission to position j.

Switch oﬀ the vehicle and all electrical con-

The ﬁrst-aid bag 1 is located on the leꢀ or right

side of the boot, depending on the vehicle ver-

sion.

sumers.

Open the bonnet.

QR code for rescue card

QR codes are attached in the fuel ﬁller ﬂap and on

the opposite side on the B-pillar. In the event of

an accident, rescue services can use the QR code

to quickly ﬁnd the appropriate rescue card for

your vehicle. The current rescue card contains the

most important information about your vehicle

(e.g. the routing of the electric lines) in compact

form.

Push both sides of the warning triangle holder

1 toward the arrow and open it.

Remove the warning triangle 2.

The warning triangle is located in the boot lid.

First-aid kit (soꢀ sided) overview

Example illustrations

F206 0105 02

Quick start and Tips

Open cover 1 of the jump-starting connec-

tion point.

using the jump lead. Always begin with posi-

Aꢀer removing the jump leads, close cover 2

of positive contact 3.

Close cover 1.

tive contact 3 on your own vehicle ﬁrst.

Start the engine of the donor vehicle and run

it at idling speed.

Connect the negative terminal of the donor

battery to earth point 4 of your vehicle using

the jump lead. Begin with the donor battery

ﬁrst.

Start the engine of your own vehicle.

Let the engines run for several minutes.

Before disconnecting the jump leads, switch

on an electrical consumer in your own vehicle,

e.g. the rear window heater or the lighting.

If your vehicle has been started with starting

assistance, it may not be possible to use the elec-

tric drive for approximately 30 minutes.

Further information can be obtained at a qualiﬁed

specialist workshop.

Charging

Connect positive contact 3 of the vehicle to

the positive terminal of the charger using the

charging cable. Always begin with positive

contact 3 of the vehicle.

When the starting assistance procedure is com-

plete:

Connect the negative terminal of the charger

and earth point 4 on the vehicle with the

charging cable. Start with the charger.

First, remove the jump leads from earth point

4 and the negative terminal of the donor bat-

tery, then from positive contact 3 and the

positive terminal of the donor battery. Begin

each time with the contacts on your own vehi-

cle ﬁrst.

Open cover 2 of positive contact 3 of the

Start the charging process.

jump-starting connection point.

When the charging process is complete:

Starting assistance

First, remove the charging cable from earth

point 4 and the negative terminal of the

charger, then from positive contact 3 and

Connect positive contact 3 on your vehicle

to the positive terminal of the donor battery

F206 0105 02

Quick start and Tips

the positive terminal of the charger. Begin

each time with the contacts of the vehicle.

Aꢀer removing the charging cable, close cover

2 of positive contact 3.

When closing the fuse box, make sure

that the seal of the lid is positioned cor-

rectly on the fuse box.

NOTE Damage due to incorrect fuses

Using incorrect fuses can result in damage to

electrical components or systems or their

functions being considerably restricted.

If the newly inserted fuse also blows, have the

Close cover 1.

Use only fuses approved for Mercedes-

cause traced and rectiﬁed at a qualiﬁed specialist

Benz with the respective speciﬁed fuse

workshop.

Further information can be obtained at a qualiﬁed

specialist workshop.

rating.

Ensure the following before replacing a fuse:

The vehicle is secured against rolling away.

All electrical consumers are switched oﬀ.

The vehicle is switched oﬀ.

Blown fuses must be replaced with fuses of the

same rating, which you can recognise by the col-

our and the label. The fuse ratings and further

information to be observed can be found in the

fuse assignment diagram.

Fuse assignment diagram: on the fuse box in the

boot (/ page 651).

Notes on electrical fuses

WARNING Risk of accident and injury due

to overloaded lines

The electrical fuses are located in various fuse

boxes:

If you manipulate or bridge a faulty fuse or if

you replace it with a fuse with a higher amper-

age, the electric line could be overloaded.

Fuse box in the engine compartment on the

driver's side (/ page 649)

NOTE Damage or malfunctions caused by

moisture

This could result in a ﬁre.

Fuse box on the driver's side of the cockpit

(/ page 651)

Always replace faulty fuses with speci-

ﬁed new fuses containing the correct

Moisture may cause damage to the electrical

system or cause it to malfunction.

Fuse box in the front passenger footwell

(/ page 651)

amperage.

When the fuse box is open, make sure

that no moisture can enter the fuse box.

Fuse box in the boot (/ page 651)

F206 0105 02

Quick start and Tips

Notes on ﬂat tyres

MOExtended tyres (run-ﬂat tyres)

(/ page 630).

Wheel wrench

Centring pin

WARNING Risk of accident due to a ﬂat

tyre

Vehicles with a TIREFIT kit: you can seal the

tyre so that it is possible to continue the jour-

ney for a short period of time. To do this, use

the TIREFIT kit (/ page 631).

The jack weighs approximately 3.4 kg.

The maximum load capacity of the jack can

be found on the sticker aﬃxed to the jack.

The jack is maintenance-free. If there is a

malfunction, please contact a qualiﬁed spe-

cialist workshop.

A ﬂat tyre severely aﬀects the driving charac-

teristics as well as the steering and braking of

the vehicle.

Vehicles with Mercedes me connect: you can

make a call for breakdown assistance via the

overhead control panel in the case of a break-

down (/ page 568).

Tyres without run-ﬂat characteristics:

Do not drive with a ﬂat tyre.

The tyre-change tool kit is located in tool bag 1

in the boot.

Change the ﬂat tyre immediately with an

All vehicles: change the wheel (/ page 662).

emergency spare wheel or spare wheel.

Alternatively, consult a qualiﬁed special-

ist workshop.

When stowing the tool bag, make sure that it

is adequately secured.

Overview of the tyre-change tool kit

Apart from some country-speciﬁc variants, vehi-

cles are not equipped with a tyre-change tool kit.

Consult a qualiﬁed specialist workshop to ﬁnd out

which wheel change tool is necessary and

Tyres with run-ﬂat characteristics:

Observe the information and warning

notes on MOExtended tyres (run-ﬂat

tyres).

approved for a wheel change on your vehicle.

You require the following tools, forexample, to

change a wheel:

In the event of a ﬂat tyre, the following options are

available depending on your vehicle's equipment:

Jack

Vehicles with MOExtended tyres: it is possible

to continue the journey for a short period of

time. Make sure you observe the notes on

Chock

F206 0105 02

Quick start and Tips

The tool bag contains:

TIREFIT kit storage location

Plug-in hybrid

Not plug-in hybrid

Jack

Gloves

Wheel wrench

Centring pin

Folding chock

Ratchet for jack

Plug-in hybrid

The tyre-change tool kit is located in tool bag 1

on the boot ﬂoor.

The TIREFIT kit 1 is located in the luggage com-

partment on the leꢀ as delivered.

Depending on the model, the TIREFIT kit may also

be located in other places in the boot.

The TIREFIT kit 1 is located in the luggage com-

partment on the leꢀ as delivered.

Depending on the power category (LK), the

tyre inﬂation compressor weighs as follows:

LK1 – 12 V/10 A, 120 W, 0.8 kg

LK2 – 12 V/15 A, 180 W, 0.9 kg

You can ﬁnd information on the power cate-

gory (LK) and/or electrical data on the back

of the tyre inﬂation compressor.

F206 0105 02

Quick start and Tips

The tyre inﬂation compressor is maintenance-

free. If there is a malfunction, please contact

a qualiﬁed specialist workshop.

vehicle with liꢀing equipment is required for

Before tow-starting or towing away,

check if the vehicle to be tow-started or

towed away exceeds the permissible

gross mass.

vehicle transportation.

NOTE Damage due to towing away at

excessively high speeds or over long dis-

tances

Towing the vehicle with both axles on the ground

If a vehicle has to be tow-started or towed away,

its permissible gross mass must not exceed the

permissible gross mass of the towing vehicle.

Observe the notes on the permitted towing

methods.

Make sure that the battery is connected and

charged.

The drivetrain could be damaged when towing

at excessively high speeds or over long distan-

ces.

Information on the permissible gross mass of

the vehicle can be found on the vehicle identi-

A towing speed of 50 km/h must not be

exceeded.

A towing distance of 50 km must not be

exceeded.

ﬁcation plate (/ page 783).

Observe the following points when the battery is

discharged:

Vehicles with automatic transmission: do not

open the driver's door or front-passenger

door; the transmission otherwise automati-

cally shiꢀs to position j.

The vehicle cannot be started.

The electric parking brake cannot be released

or applied.

Vehicles with automatic transmission: the

transmission cannot be shiꢀed to position i

or j.

WARNING Risk of accident when towing a

vehicle which is too heavy

Fit the towing eye (/ page 647).

Fasten the towing device.

If the vehicle to be tow-started or towed away

is heavier than the permissible gross mass of

your vehicle, the following situations can

occur:

NOTE Damage due to incorrect connec-

tion of the tow bar

Vehicles with automatic transmission: if the

transmission cannot be shiꢀed to position i

or if the display does not show anything,

transport the vehicle (/ page 646). A towing

Only connect the tow rope or tow bar to

the towing eyes.

the towing eye may become detached.

the vehicle/trailer combination may

swerve or overturn.

F206 0105 02

Quick start and Tips

Deactivate the automatic locking mechanism

When your vehicle is towed away, signiﬁcantly

more eﬀort may be required to steer and

brake than is normally required.

Expert tips

Additional functions of buttons

(/ page 154).

Do not activate the HOLD function.

Deactivate tow-away protection

(/ page 172).

▌Opening and closing the windows using the air-

recirculation button (convenience closing/open-

ing)

When air-recirculation mode is activated, the side

windows can be closed automatically, e.g.before

entering a tunnel. When air-recirculation mode is

deactivated, the side windows can be moved back

to their original position.

Use a tow bar.

Make sure that the steering wheel can

move freely before towing the vehicle

away.

Deactivate Active Brake Assist (/ page 369).

Vehicles with automatic transmission: shiꢀ to

position i.

NOTE Damage due to excessive tractive

power

Release the electric parking brake.

WARNING Risk of accident due to limited

safety-related functions during the towing

process

If you pull away sharply, the tractive power

may be too high and the vehicles could be

damaged.

WARNING Risk of entrapment due to not

paying attention during convenience clos-

ing

Safety-related functions are limited or no lon-

ger available in the following situations:

Pull away slowly and smoothly.

When the convenience closing feature is oper-

ating, parts of the body could become trapped

in the closing area of the side window and the

sliding sunroof.

the vehicle is switched oﬀ.

the brake system or power steering system

is malfunctioning.

the energy supply or the on-board electri-

cal system is malfunctioning.

When the convenience closing feature is

operating, monitor the entire closing

process and make sure that no body

parts are in the closing area.

F206 0105 02

Quick start and Tips -> Help in the event of a breakdown for Your Mercedes C Class 4 Door 2023

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